If you wish to perform maintenance on your Lifan LF50QGY then it is always a good plan to own a Workshop Manual to use as personal reference should you need to know ways to strip off a specific part including Door and install it again appropriately.
Lifan LF50QGY Workshop Manuals can offer you targeted diagnostic details for your car or truck so if something is faulty it will help you work out what the situation is and some ways to make it better. After that you can decide if you can do this on your own or in case the job is just too big you can make a reservation for your LF50QGY right into a suitable repair garage.
Lifan LF50QGY manual